anniversarynoun [ C ]uk /ˌæn.ɪˈvɜː.sər.i/ us /ˌæn.əˈvɝː.sɚ.i/
Tomorrow is the 30th anniversary of the revolution.
- We are planning a dinner to celebrate the 50th anniversary of the founding of the company.
- Tomorrow's parade will mark the 50th anniversary of the battle.
- We went for a slap-up meal on our wedding anniversary.
- It was their 25th wedding anniversary last week.
- On this anniversary of the tragedy we remember the living as well as the dead.